% 这是英文摘要
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\renewcommand{\abstractname}{\Large \textbf{ABSTRACT}}
\begin{abstract}
\addcontentsline{toc}{section}{\heiti{\Large{ABSTRACT}}}    
{\large{This experiment is a confirmative experiment. By porting Linux to RISC-V platform, the basic functions can be realized. And this opportunity is used to review all the contents learned in the undergraduate course}}

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\textbf{KEY WORDS:}RISC-V,Qemu,linux
\end{abstract}
